Omwoyo, W. Nyaigoti, Mutinda F. Silas, Oyaro Nathan, and Florence Oloo. “Removal of Chromium and Cadmium Ions from Water Using Graphene Oxide and Sodium Graphene Oxide Nanocomposites”. International Journal of Science and Engineering Invention (September 25, 2016): 197 to 204. Accessed May 3, 2024. http://ijsei.in/index.php/ijsei/article/view/33.